2017 Lincoln MKT AC Isn't Working

Troubleshooting Common AC Issues in Your 2017 Lincoln MKT and How to Restore Comfort

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Lincoln MKT AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 Lincoln MKT?

When faced with an air conditioning issue in your 2017 Lincoln MKT, start by checking the thermostat settings to ensure it is set lower than the current temperature, which is crucial for activating the AC system. Next, inspect the air filters, as dirty or clogged filters can significantly hinder airflow and cooling efficiency; replacing them can often resolve the problem. Confirm that the AC system is indeed turned on and that the fan is set to an appropriate speed, as incorrect settings can easily be overlooked. Moving outside, examine the condenser for any debris or damage that could obstruct airflow; cleaning it can enhance performance. Additionally, low refrigerant levels can lead to warm air blowing from the vents, so it’s wise to have these levels checked and recharged if necessary. Lastly, inspect the AC system for any signs of leaks, such as oily residue around connections, as addressing these promptly is vital for maintaining proper function. By systematically following these steps, you can effectively diagnose and potentially fix the AC issues in your Lincoln MKT, saving time and money on professional repairs.

What are the common problems that could cause the AC to stop working in a 2017 Lincoln MKT?

When the air conditioning system in a 2017 Lincoln MKT ceases to function, several common problems may be at play. One of the first things to check is the refrigerant levels; low refrigerant can significantly hinder the system's ability to cool the air effectively. If the refrigerant is adequate, the next step is to inspect the compressor, as a faulty compressor can prevent cold air from circulating. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it essential to examine these components. Another potential issue is a clogged or leaking condenser, which can obstruct airflow and reduce cooling efficiency. Lastly, ensure that the cooling fans are operational, as broken fans can lead to insufficient airflow through the system. By understanding these common problems, DIYers can better diagnose and potentially resolve AC issues in their Lincoln MKT, ensuring a comfortable driving experience.

How urgent is it to address the AC failure in my 2017 Lincoln MKT?

Addressing an AC failure in your 2017 Lincoln MKT is crucial for several reasons. First and foremost, a functioning air conditioning system is essential for maintaining a comfortable driving environment, especially during hot summer months or on long journeys. When the AC is not working, it can lead to discomfort that distracts you from the road, potentially compromising your safety. Moreover, ignoring AC issues can escalate into more severe problems, resulting in costly repairs that could have been avoided with timely intervention. It is advisable to seek a professional inspection as soon as you notice any symptoms of AC failure. A qualified mechanic can accurately diagnose the issue and recommend necessary repairs, ensuring that your vehicle remains safe and comfortable to drive. In summary, addressing AC failures promptly not only enhances your driving experience but also protects your investment in the vehicle.

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